Ambiq Micro, Inc. Tariff Inquiry

AM1805AQ

AM1805AQ Description

The AM1805AQ is a highly integrated Real-Time Clock (RTC) and calendar module from Ambiq Micro, Inc., designed to provide precise timekeeping and calendar functions with minimal power consumption. This device is part of the Artasie series and features a 256-byte memory size, making it suitable for applications requiring reliable time and date tracking along with small data storage. The AM1805AQ operates within a wide supply voltage range of 1.5V to 3.6V and supports battery backup with a supply voltage range of 1.4V to 3.6V, ensuring continuous operation even during power outages. The device is available in a surface-mount package, specifically in a 16QFN format, and is shipped in tape and reel (TR) packaging, which is ideal for automated assembly processes. The AM1805AQ is classified under ECCN EAR99 and HTSUS 8542.39.0001, indicating its compliance with international trade regulations.

AM1805AQ Features

The AM1805AQ offers a comprehensive set of features that enhance its functionality and versatility. Key features include:

• Alarm Functionality: The AM1805AQ supports multiple alarm settings, allowing users to schedule specific events or reminders.
• Leap Year Calculation: The device automatically adjusts for leap years, ensuring accurate date tracking over extended periods.
• RAM: With 256 bytes of RAM, the AM1805AQ can store small amounts of data, which is useful for applications requiring minimal data logging.
• Square Wave Output: This feature enables the generation of precise timing signals, which can be used for synchronization purposes in various electronic systems.
• Supervisor Function: The AM1805AQ includes a power supervisor that monitors the supply voltage and provides reset signals to ensure system stability during power fluctuations.
• Trickle Charger: The built-in trickle charger allows for the charging of backup batteries, ensuring continuous operation even when the main power supply is unavailable.
• Unique ID: Each AM1805AQ device comes with a unique identifier, which can be used for device tracking and authentication.
• Watchdog Timer: The watchdog timer helps prevent system crashes by resetting the system if it detects an anomaly or failure in the main application.

The timekeeping current consumption of the AM1805AQ is exceptionally low, ranging from 0.17µA to 0.22µA at supply voltages between 1.8V and 3V. This low power consumption makes the AM1805AQ ideal for battery-powered applications where energy efficiency is critical. The device supports both 12-hour and 24-hour time formats (HH:MM:SS:hh), providing flexibility in time display options.

AM1805AQ Applications

The AM1805AQ is well-suited for a variety of applications where accurate timekeeping and calendar functions are essential. Some specific use cases include:

• Consumer Electronics: In devices such as smartwatches, fitness trackers, and portable media players, the AM1805AQ provides reliable timekeeping and calendar functions with minimal power consumption.
• Industrial Systems: For industrial control systems, the AM1805AQ ensures accurate time synchronization, which is crucial for logging events and maintaining system operations.
• Medical Devices: In medical equipment, the AM1805AQ can be used for time-stamping critical events and ensuring that devices operate within specified time parameters.
• Automotive Applications: The AM1805AQ can be integrated into automotive systems for timekeeping and calendar functions, ensuring that vehicle systems operate correctly and log events accurately.

Conclusion of AM1805AQ

The AM1805AQ from Ambiq Micro, Inc., is a versatile and efficient RTC and calendar module that offers a wide range of features and benefits. Its low power consumption, extensive feature set, and robust design make it an ideal choice for a variety of applications where accurate timekeeping and calendar functions are essential. The AM1805AQ stands out from similar models due to its unique features such as the built-in trickle charger, supervisor function, and unique ID, which enhance its functionality and reliability. With its wide supply voltage range and surface-mount package, the AM1805AQ is well-suited for both consumer and industrial applications, making it a valuable component in the electronics industry.